html5的页面放到服务器video标签不播放

<div class="video">

    <video src="video/顺丰物流仿真案例演示.mp4" controls="controls" autoplay="autoplay" width="100%"              poster="images/video-default.png">

    请更新您的浏览器

        </video>

</div>

在web.config文件中添加

< system.webServer >

     < staticContent >

       < remove  fileExtension = ".mp4"  />

       < mimeMap  fileExtension = ".mp4"  mimeType = "video/mp4"  />

     </ staticContent >

  </ system.webServer >